The 34th Strategic Squadron is an inactive United States Air Force unit. It was last assigned to the 11th Strategic Group at Zaragoza Air Base, Spain. It was inactivated on 7 August 1990. The first predecessor of the squadron, the 34th Air Transport Squadron served on the South Atlantic ferrying route during World War II until it was disbanded in 1943. The squadron was reconstituted as a Military Air Transport Service unit at McChord Air Force Base from 1952 through 1955.